package com.atguigu.gulimall.product.config;

//import com.alibaba.fastjson.support.spring.GenericFastJsonRedisSerializer;
import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 *
 * @author 马迎迎
 * @Title: MyCacheConfig
 * @Package com.atguigu.gulimall.product.config
 * @Description: TODO(添加描述)
 * @date 2021年05月22日 17:46
 */
@EnableConfigurationProperties(CacheProperties.class)
@EnableCaching
@Configuration
public class MyCacheConfig {
    /**
     * 配置文件中的东西没有用上：
     * 1.原来和配置文件绑定的配置类是这样的
     *  @ConfigurationProperties(
     *         prefix = "spring.cache"
     *  )
     * 2.要让他生效
     *  @EnableConfigurationProperties(CacheProperties.class)
     * public class CacheProperties {
     * @return
     */
    @Bean
    RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties){
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
        config=config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
        config=config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));
        //将配置文件中的所有配置都生效
        CacheProperties.Redis redisproperties = cacheProperties.getRedis();

        // 设置配置
        if(redisproperties.getTimeToLive() != null){
            config = config.entryTtl(redisproperties.getTimeToLive());
        }
        if(redisproperties.getKeyPrefix() != null){
            config = config.prefixKeysWith(redisproperties.getKeyPrefix());
        }
        if(!redisproperties.isCacheNullValues()){
            config = config.disableCachingNullValues();
        }
        if(!redisproperties.isUseKeyPrefix()){
            config = config.disableKeyPrefix();
        }
        return config;
    }
}
